1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright (c) 1990-2001 by Sun Microsystems, Inc. 24*7c478bd9Sstevel@tonic-gate * All rights reserved. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate #ifndef _MULTIMEDIA_AUDIOLIST_H 28*7c478bd9Sstevel@tonic-gate #define _MULTIMEDIA_AUDIOLIST_H 29*7c478bd9Sstevel@tonic-gate 30*7c478bd9Sstevel@tonic-gate #include <Audio.h> 31*7c478bd9Sstevel@tonic-gate 32*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 33*7c478bd9Sstevel@tonic-gate extern "C" { 34*7c478bd9Sstevel@tonic-gate #endif 35*7c478bd9Sstevel@tonic-gate 36*7c478bd9Sstevel@tonic-gate // This is the 'base' class for a list of extents of audio objects 37*7c478bd9Sstevel@tonic-gate class AudioList : public Audio { 38*7c478bd9Sstevel@tonic-gate 39*7c478bd9Sstevel@tonic-gate // Define a linked list nested class 40*7c478bd9Sstevel@tonic-gate class AudioListEntry { 41*7c478bd9Sstevel@tonic-gate private: 42*7c478bd9Sstevel@tonic-gate void operator=(AudioListEntry); // Assignment is illegal 43*7c478bd9Sstevel@tonic-gate public: 44*7c478bd9Sstevel@tonic-gate Audio* aptr; // pointer to audio object 45*7c478bd9Sstevel@tonic-gate AudioListEntry* next; // pointer to next in list 46*7c478bd9Sstevel@tonic-gate AudioListEntry* prev; // pointer to previous 47*7c478bd9Sstevel@tonic-gate 48*7c478bd9Sstevel@tonic-gate // Constructor w/obj 49*7c478bd9Sstevel@tonic-gate AudioListEntry( 50*7c478bd9Sstevel@tonic-gate Audio* obj); // referenced audio object 51*7c478bd9Sstevel@tonic-gate ~AudioListEntry(); // Destructor 52*7c478bd9Sstevel@tonic-gate 53*7c478bd9Sstevel@tonic-gate void newptr(Audio* newa); // Reset extent 54*7c478bd9Sstevel@tonic-gate 55*7c478bd9Sstevel@tonic-gate // Link in new extent 56*7c478bd9Sstevel@tonic-gate void link( 57*7c478bd9Sstevel@tonic-gate AudioListEntry* after); // link after this one 58*7c478bd9Sstevel@tonic-gate 59*7c478bd9Sstevel@tonic-gate // Split an extent 60*7c478bd9Sstevel@tonic-gate void split( 61*7c478bd9Sstevel@tonic-gate Double pos); // split at offset 62*7c478bd9Sstevel@tonic-gate }; 63*7c478bd9Sstevel@tonic-gate 64*7c478bd9Sstevel@tonic-gate private: 65*7c478bd9Sstevel@tonic-gate AudioListEntry head; // list head 66*7c478bd9Sstevel@tonic-gate 67*7c478bd9Sstevel@tonic-gate AudioListEntry* first() const; // Return first extent 68*7c478bd9Sstevel@tonic-gate 69*7c478bd9Sstevel@tonic-gate // Locate extent/offset 70*7c478bd9Sstevel@tonic-gate virtual Boolean getposition( 71*7c478bd9Sstevel@tonic-gate Double& pos, // target position (updated) 72*7c478bd9Sstevel@tonic-gate AudioListEntry*& ep) const; // returned entry pointer 73*7c478bd9Sstevel@tonic-gate 74*7c478bd9Sstevel@tonic-gate AudioList operator=(AudioList); // Assignment is illegal 75*7c478bd9Sstevel@tonic-gate 76*7c478bd9Sstevel@tonic-gate public: 77*7c478bd9Sstevel@tonic-gate AudioList(const char *name = "[list]"); // Constructor 78*7c478bd9Sstevel@tonic-gate virtual ~AudioList(); // Destructor 79*7c478bd9Sstevel@tonic-gate 80*7c478bd9Sstevel@tonic-gate // class Audio methods specialized here 81*7c478bd9Sstevel@tonic-gate virtual Double GetLength() const; // Get length, in secs 82*7c478bd9Sstevel@tonic-gate virtual char *GetName() const; // Get name string 83*7c478bd9Sstevel@tonic-gate virtual AudioHdr GetHeader(); // Get header 84*7c478bd9Sstevel@tonic-gate virtual AudioHdr GetHeader(Double pos); // Get header at pos 85*7c478bd9Sstevel@tonic-gate 86*7c478bd9Sstevel@tonic-gate // Read from position 87*7c478bd9Sstevel@tonic-gate virtual AudioError ReadData( 88*7c478bd9Sstevel@tonic-gate void* buf, // buffer to fill 89*7c478bd9Sstevel@tonic-gate size_t& len, // buffer length (updated) 90*7c478bd9Sstevel@tonic-gate Double& pos); // start position (updated) 91*7c478bd9Sstevel@tonic-gate 92*7c478bd9Sstevel@tonic-gate // Write is prohibited 93*7c478bd9Sstevel@tonic-gate virtual AudioError WriteData( 94*7c478bd9Sstevel@tonic-gate void* buf, // buffer to copy 95*7c478bd9Sstevel@tonic-gate size_t& len, // buffer length (updated) 96*7c478bd9Sstevel@tonic-gate Double& pos); // start position (updated) 97*7c478bd9Sstevel@tonic-gate isList()98*7c478bd9Sstevel@tonic-gate virtual Boolean isList() const { return (TRUE); } 99*7c478bd9Sstevel@tonic-gate 100*7c478bd9Sstevel@tonic-gate // list manipulation methods 101*7c478bd9Sstevel@tonic-gate // Insert an entry 102*7c478bd9Sstevel@tonic-gate virtual AudioError Insert( 103*7c478bd9Sstevel@tonic-gate Audio* obj); // object to insert 104*7c478bd9Sstevel@tonic-gate 105*7c478bd9Sstevel@tonic-gate // Insert an entry 106*7c478bd9Sstevel@tonic-gate virtual AudioError Insert( 107*7c478bd9Sstevel@tonic-gate Audio* obj, // object to insert 108*7c478bd9Sstevel@tonic-gate Double pos); // insertion offset, in seconds 109*7c478bd9Sstevel@tonic-gate 110*7c478bd9Sstevel@tonic-gate // Append an entry 111*7c478bd9Sstevel@tonic-gate virtual AudioError Append( 112*7c478bd9Sstevel@tonic-gate Audio* obj); // object to append 113*7c478bd9Sstevel@tonic-gate 114*7c478bd9Sstevel@tonic-gate // copy to another audio obj. 115*7c478bd9Sstevel@tonic-gate virtual AudioError AsyncCopy( 116*7c478bd9Sstevel@tonic-gate Audio* ap, // dest audio object 117*7c478bd9Sstevel@tonic-gate Double& frompos, 118*7c478bd9Sstevel@tonic-gate Double& topos, 119*7c478bd9Sstevel@tonic-gate Double& limit); 120*7c478bd9Sstevel@tonic-gate }; 121*7c478bd9Sstevel@tonic-gate 122*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 123*7c478bd9Sstevel@tonic-gate } 124*7c478bd9Sstevel@tonic-gate #endif 125*7c478bd9Sstevel@tonic-gate 126*7c478bd9Sstevel@tonic-gate #endif /* !_MULTIMEDIA_AUDIOLIST_H */ 127